diff options
Diffstat (limited to 'hw/milkymist-softusb.c')
| -rw-r--r-- | hw/milkymist-softusb.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/hw/milkymist-softusb.c b/hw/milkymist-softusb.c index d911686de7..b279d4e908 100644 --- a/hw/milkymist-softusb.c +++ b/hw/milkymist-softusb.c @@ -54,10 +54,11 @@ struct MilkymistSoftUsbState { MemoryRegion dmem; qemu_irq irq; + void *pmem_ptr; + void *dmem_ptr; + /* device properties */ - uint32_t pmem_base; uint32_t pmem_size; - uint32_t dmem_base; uint32_t dmem_size; /* device registers */ @@ -134,7 +135,7 @@ static inline void softusb_read_dmem(MilkymistSoftUsbState *s, return; } - cpu_physical_memory_read(s->dmem_base + offset, buf, len); + memcpy(buf, s->dmem_ptr + offset, len); } static inline void softusb_write_dmem(MilkymistSoftUsbState *s, @@ -146,7 +147,7 @@ static inline void softusb_write_dmem(MilkymistSoftUsbState *s, return; } - cpu_physical_memory_write(s->dmem_base + offset, buf, len); + memcpy(s->dmem_ptr + offset, buf, len); } static inline void softusb_read_pmem(MilkymistSoftUsbState *s, @@ -158,7 +159,7 @@ static inline void softusb_read_pmem(MilkymistSoftUsbState *s, return; } - cpu_physical_memory_read(s->pmem_base + offset, buf, len); + memcpy(buf, s->pmem_ptr + offset, len); } static inline void softusb_write_pmem(MilkymistSoftUsbState *s, @@ -170,7 +171,7 @@ static inline void softusb_write_pmem(MilkymistSoftUsbState *s, return; } - cpu_physical_memory_write(s->pmem_base + offset, buf, len); + memcpy(s->pmem_ptr + offset, buf, len); } static void softusb_mouse_changed(MilkymistSoftUsbState *s) @@ -270,11 +271,13 @@ static int milkymist_softusb_init(SysBusDevice *dev) memory_region_init_ram(&s->pmem, "milkymist-softusb.pmem", s->pmem_size); vmstate_register_ram_global(&s->pmem); - sysbus_add_memory(dev, s->pmem_base, &s->pmem); + s->pmem_ptr = memory_region_get_ram_ptr(&s->pmem); + sysbus_init_mmio(dev, &s->pmem); memory_region_init_ram(&s->dmem, "milkymist-softusb.dmem", s->dmem_size); vmstate_register_ram_global(&s->dmem); - sysbus_add_memory(dev, s->dmem_base, &s->dmem); + s->dmem_ptr = memory_region_get_ram_ptr(&s->dmem); + sysbus_init_mmio(dev, &s->dmem); hid_init(&s->hid_kbd, HID_KEYBOARD, softusb_kbd_hid_datain); hid_init(&s->hid_mouse, HID_MOUSE, softusb_mouse_hid_datain); @@ -298,9 +301,7 @@ static const VMStateDescription vmstate_milkymist_softusb = { }; static Property milkymist_softusb_properties[] = { - DEFINE_PROP_UINT32("pmem_base", MilkymistSoftUsbState, pmem_base, 0xa0000000), DEFINE_PROP_UINT32("pmem_size", MilkymistSoftUsbState, pmem_size, 0x00001000), - DEFINE_PROP_UINT32("dmem_base", MilkymistSoftUsbState, dmem_base, 0xa0020000), DEFINE_PROP_UINT32("dmem_size", MilkymistSoftUsbState, dmem_size, 0x00002000), DEFINE_PROP_END_OF_LIST(), }; |